| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
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| 05/16/2002 | WO2002038816A1 Method and apparatus for treatment of metallurgical slag and the like |
| 05/16/2002 | DE4341233C2 Chargiergefäß zum Beschicken eines metallurgischen Schmelzaggregates Charging vessel for loading a metallurgical smelting unit |
| 05/15/2002 | EP1205565A1 Process of melting oxidic slags |
| 05/15/2002 | EP1204769A1 Device and method for spraying natural gas and/or oxygen |
| 05/14/2002 | US6387153 Stable idle procedure |
| 05/14/2002 | CA2123653C Liquid cooled nozzle |
| 05/10/2002 | WO2002037044A1 Cooling element |
| 05/10/2002 | WO2002004919A3 Method and apparatus for the assay of precious metals |
| 05/10/2002 | CA2361901A1 Metallurgical furnace with scrap metal preheater and dispenser |
| 05/08/2002 | EP1203920A1 Process and installation for closing and opening a smelting vessel |
| 05/08/2002 | EP1203103A2 Method of producing foamed slag |
| 05/08/2002 | EP1119734B1 Method for feeding fines or granules into a light-arc furnace |
| 05/08/2002 | EP1082467B1 Method for operating an electric arc furnace to build up and maintain foamed slag |
| 05/08/2002 | DE10054269A1 Verfahren und Vorrichtung zum Verschließen und Öffnen eines Schmelzgefäßes Method and device for closing and opening of a melting vessel |
| 05/07/2002 | US6385231 Induction heating furnace and bottom tapping mechanism thereof |
| 05/07/2002 | US6383445 Supersonic coherent gas jet for providing gas into a liquid |
| 05/07/2002 | US6383316 Precipitated hardening stainless steel |
| 05/07/2002 | US6383250 Steel making revert and process for preparing |
| 05/07/2002 | US6382107 Rail-mounted transporting device for ultra-heavy loads |
| 05/02/2002 | WO2002034693A1 Fire-resistant substance and method for producing a fire-resistant lining |
| 05/02/2002 | US20020050188 Direct smelting process |
| 05/02/2002 | US20020050097 Method and apparatus for producing reformed gases |
| 05/02/2002 | EP1201336A1 Padding sand for sliding opening/closing unit of ladle |
| 05/02/2002 | EP1200634A1 Method for optimising the operating conditions of a smothered arc furnace |
| 05/02/2002 | EP0752478B1 Method of refining molten metal |
| 05/02/2002 | DE10052352A1 Feuerfeste Masse und Verfahren zur Erstellung einer feuerfesten Auskleidung Refractory mass and method for creating a refractory lining |
| 05/01/2002 | CN1083890C Smelting furnace |
| 05/01/2002 | CN1083889C Method for producing melted pig iron |
| 04/30/2002 | US6379650 Technetium 99m-N2S2-congo red complexes utilizing diamide dithiolate ligand systems for radioimaging |
| 04/30/2002 | US6379608 Method for closing and opening a tapping hole of a metallurgical vessel |
| 04/30/2002 | US6379424 Direct smelting apparatus and process |
| 04/30/2002 | US6379415 Particles for forming metals |
| 04/30/2002 | US6378847 Monolithic ceramic gas diffuser for injecting gas into a molten metal bath |
| 04/25/2002 | WO2002033139A1 Grain-refined austenitic manganese steel casting having microadditions of vanadium and titanium and method of manufacturing |
| 04/25/2002 | WO2002033130A1 Method for producing stainless steels, in particular high-grade steels containing chromium and chromium-nickel |
| 04/25/2002 | US20020048529 Grain-refined austenitic manganese steel casting having microadditions of vanandium and titanium and method of manufacturing |
| 04/25/2002 | US20020047718 Multifrequency equipment for sensing the state of electrodes in electric-arc furnaces |
| 04/25/2002 | DE10115779A1 Production of stainless steels, especially steels containing chromium and chromium-nickel comprises heating slag, reducing the slag during melting with silicon and carbon |
| 04/24/2002 | EP1019554B1 Pyrometallurgical method and device for separating zinc and/or cadmium from lead in metallurgical residues |
| 04/24/2002 | CN2487741Y Slag pushing-off dartlike device |
| 04/24/2002 | CN2487740Y Device for lifting and side-sliding hood of converter |
| 04/24/2002 | CN1083565C Dezincing induction melting system |
| 04/23/2002 | US6377602 Method and device to feed premixed gas to tuyeres of electric arc furnaces |
| 04/23/2002 | US6375711 Steelmaking using magnesium carbonate |
| 04/23/2002 | US6375701 Method of judging slag forming state in electric furnace steel production and method of operating electric furnace |
| 04/18/2002 | WO2002031212A1 Process for the metallurgical treatment of molten steel in a converter with oxygen top blown |
| 04/18/2002 | WO2001099473A3 Induction furnace |
| 04/18/2002 | WO2000071760A9 Combined forged and cast lance tip assembly |
| 04/18/2002 | CA2388397A1 Process for the metallurgical treatment of molten steel in a converter with oxygen top blown onto the molten steel and an oxygen blowing lance |
| 04/17/2002 | EP1196642A1 Method for controlling and adjusting the concentration of a gas component in a melt and a device for carrying out the same |
| 04/17/2002 | CN1345409A Metallurgical vessel comprising tapping device and method for controlled, slag-free extraction of mol ten metal from said vessel |
| 04/16/2002 | US6372011 Reprocessing in the presence of pig iron; low energy expenditure and capital investment |
| 04/16/2002 | US6372010 Directing supersonic flows of carbon and oxygen to the same location in melt to form carbon monoxide and locally foam slag |
| 04/16/2002 | US6372009 Method for reducing CO and VOC's in steelmaking furnace off-gas stream without forming or exhausting undesirable products |
| 04/16/2002 | US6370973 Device for removing slag samples |
| 04/11/2002 | US20020040623 Process and apparatus for automatically controlling slag foaming |
| 04/10/2002 | EP1194597A1 Method for recovering metallic chromium from slag containing chromium oxide |
| 04/10/2002 | EP1194596A1 Method and installation with smelting and reduction cyclone and a coupled lower furnace for utilising residual material containing iron and heavy metals and optionally iron ore |
| 04/10/2002 | CN1343793A Slag decomposing agent for smelting steel |
| 04/10/2002 | CN1082548C 用于生产金属熔体的设备及方法 The production of metal melt apparatus and method for |
| 04/10/2002 | CN1082547C 钢厂转炉罩冷却系统 BOF steel hood cooling system |
| 04/09/2002 | US6368550 Variably insertable combined lance with displaceable burner and blower lance bodies |
| 04/09/2002 | US6368549 Metallurgical vessel |
| 04/09/2002 | US6368548 Direct smelting process and apparatus |
| 04/09/2002 | US6368380 Method of melt-removing impurity elements from iron |
| 04/04/2002 | US20020038926 Desulphurization reagent control method and system |
| 04/03/2002 | EP1192289A1 Improved method and device for degasing and separation of inclusions in a liquid metal bath by injection of gas bubbles |
| 04/03/2002 | EP1036204B1 Feeding device for electrical shaft furnaces with an electrode-receiving central tube |
| 04/03/2002 | CN1342776A Carbonizing technology for smelting steel and special carburant |
| 03/28/2002 | US20020035892 Process for injection of a gas with the aid of a nozzle |
| 03/27/2002 | EP1191110A1 Method for automatically controlling hydraulic opener |
| 03/27/2002 | EP1190104A1 Method of decarburisation and dephosphorisation of a molten metal |
| 03/27/2002 | CN2483098Y Oxygen spray pistol |
| 03/27/2002 | CN1081785C Scrap conveyor |
| 03/21/2002 | WO2002022892A1 Blowing lance nozzle |
| 03/21/2002 | WO2001046481A3 Thermodestruction and inertisation of halogenated wasted in a metallurgical reactor |
| 03/21/2002 | US20020033123 Gasification melting furnace for wastes and gasification melting method |
| 03/20/2002 | EP1187942A1 Method for producing melt iron |
| 03/19/2002 | US6358467 Universal coupling |
| 03/19/2002 | US6358466 Thermal sprayed composite melt containment tubular component and method of making same |
| 03/14/2002 | US20020029724 A concave wall of inductively transparent glass fibers and inductively transparent inorganic cement means for cementing the fibers together, and capable of withstanding high temperature without substantial degradation; ladels |
| 03/14/2002 | DE10042112A1 Verfahren zur Behandlung wertstoffhaltigen Staubes A method for treating dust containing recyclable materials |
| 03/13/2002 | EP1185715A2 Method for treating steel in an electric arc furnace for obtaining a foamed slag |
| 03/13/2002 | EP1042515B1 Converter installation having a divided sealing ring fitted between the converter and the flue gas chimney |
| 03/12/2002 | US6355588 Melting inorganic compounds which generate filter dusts containing metal oxides and/or fluorides, isolating filter dust, melting in furnace in absence of vitrifying amount of silica-containing flux, cooling to solidify |
| 03/12/2002 | US6355205 Multi-function lance for a vacuum degassing chamber and a method of using the same |
| 03/12/2002 | CA2233830C Tool for glass molding operations and method of manufacture thereof |
| 03/07/2002 | US20020027940 Induction heating furnace and bottom tapping mechanism thereof |
| 03/06/2002 | EP1184469A2 Process for the treatment of metal values containing dust from steelmaking |
| 03/06/2002 | EP1183513A1 Device for removing slag samples |
| 03/06/2002 | EP1183506A1 Measuring system for determining the physical quantity of a hot liquid |
| 03/06/2002 | EP1183398A1 Discharge channel for melting furnaces and pouring ladles |
| 03/06/2002 | EP1183397A1 Method and device for tapping molten metal from metallurgical vessels |
| 03/06/2002 | CN1080317C Pressure converter steel making method |
| 02/27/2002 | EP1181492A1 Electric arc furnace for continuous charging |
| 02/27/2002 | EP1181491A1 Metallurgical vessel comprising a tapping device and method for the controlled, slag-free extraction of molten metal from said vessel |
| 02/27/2002 | CN2479026Y Slag-removing device for tapping of converter |
| 02/26/2002 | US6349548 Apparatus and process to extract heat and to solidify molten material particles |
| 02/21/2002 | WO2002014562A2 Desulphurization reagent control method and system |
| 02/21/2002 | CA2418732A1 Desulphurization reagent control method and system |